CN216666287U

CN216666287U - Clutch friction plate

Info

Publication number: CN216666287U
Application number: CN202123116582.4U
Authority: CN
Inventors: 蒲刚; 王亚飞; 赵学方; 汤世安
Original assignee: Chongqing Runtong Intelligent Equipment Co ltd
Current assignee: Chongqing Runtong Intelligent Equipment Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-06-03
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a clutch friction plate, which comprises an annular metal base plate, wherein the annular metal base plate comprises an annular sheet body and transmission teeth formed on the inner circle of the annular sheet body, and the annular sheet body is provided with a first surface and a second surface opposite to the first surface; the friction material layer comprises a plurality of friction blocks which are uniformly arranged at intervals in an annular shape, and a lubricating oil flow channel is formed between every two adjacent friction blocks; the lubricating oil flow channel is a through groove with two unclosed ends, the widths of all the lubricating oil flow channels are equal, the width of the friction block is gradually increased along the direction from the inner edge to the outer edge of the circular ring-shaped sheet body, and the width of the lubricating oil flow channel is larger than the smaller end of the friction block and smaller than the larger end of the friction block. The utility model can effectively improve the lubricating effect and the cooling speed of the clutch friction plate of the motorcycle, thereby prolonging the service life of the friction plate.

Description

Clutch friction plate

Technical Field

The utility model relates to the technical field of clutches, in particular to a clutch friction plate.

Background

The clutch of the motorcycle is positioned between the engine and the gearbox and used for cutting off or transmitting the power input by the engine to the gearbox. The utility model discloses a utility model patent that publication number is CN201461813U discloses a novel clutch friction disc, including trading the slice friction disc, this ring slice friction disc bonds or the sintering on the upper and lower surface of circular steel sheet, the edge of the upper and lower surface of ring slice friction disc is the slope form, the equipartition is equipped with the oil storage recess on the upper and lower surface of ring slice friction disc, the oil storage recess on the ring slice friction disc is the pit that the size is the same.

Because be provided with the lubricated oil duct on the transmission shaft with motorcycle clutch centre bore complex, at the rotatory in-process of clutch, inside the lubricating oil that comes out from the oil duct can enter into the clutch under the centrifugal force effect, the flow of the oil storage recess that is the pit form setting on the friction disc surface among the above-mentioned prior art is not convenient for lubricating oil, leads to being unfavorable for lubricating oil evenly distributed and unblocked flow on the friction disc, and then makes the friction disc cooling, the lubricated effect relatively poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a clutch friction plate, which can solve the problems that in the prior art, an oil storage groove which is arranged on the surface of the friction plate in a pit shape of the clutch friction plate is inconvenient for the flowing of lubricating oil, so that the uniform distribution and smooth flowing of the lubricating oil on the friction plate are not facilitated, and the cooling and lubricating effects on the friction plate are poor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a clutch friction plate, comprising:

the annular metal substrate comprises an annular sheet body and transmission teeth formed on the inner circle of the annular sheet body, and the annular sheet body is provided with a first surface and a second surface opposite to the first surface; and

the friction material layers are arranged on the first surface and the second surface of the annular sheet body and comprise a plurality of friction blocks which are uniformly arranged at intervals in an annular shape, and a lubricating oil flow channel is formed between every two adjacent friction blocks;

the lubricating oil runner is a through groove with two unsealed ends, the widths of the lubricating oil runners are equal, the width of the friction block is gradually increased along the direction from the inner edge to the outer edge of the circular ring-shaped sheet body, and the width of the lubricating oil runner is larger than the smaller end of the friction block and smaller than the larger end of the friction block.

Preferably, the lubricating oil flow channel is parallel to the radial direction of the annular metal substrate, and the friction block is of a sector structure.

Preferably, the friction material layer further comprises a plurality of connecting blocks used for connecting any two adjacent friction blocks, the connecting blocks and the friction blocks are integrally formed, the thickness of each connecting block is smaller than that of each friction block, and one side surface of each connecting block, which is far away from the circular ring-shaped sheet body, and the opposite side surfaces of the two adjacent friction blocks jointly enclose the lubricating oil flow channel.

Preferably, the connecting block be close to one side surface of ring shape lamellar body with the clutch blocks be close to one side surface parallel and level of ring shape lamellar body, the friction material layer of ring shape lamellar body both sides bond respectively in the first surface and the second surface of ring shape lamellar body.

Preferably, the first surface and the second surface of the circular ring-shaped sheet body are both provided with a plurality of mounting grooves, each mounting groove extends outwards along the radial direction from the inner circle end of the circular ring-shaped sheet body and does not penetrate through the outer circle end of the circular ring-shaped sheet body, a protruding block matched with the mounting groove is arranged on the friction block along the length direction, and the friction block and the circular ring-shaped sheet body are detachably connected through the mounting grooves and the protruding blocks;

the clutch friction plate further comprises two annular check rings, the two annular check rings are installed on the annular plate body through screws respectively, the outer circle end faces of the annular check rings are abutted to the inner circle end faces of the friction blocks, and the outer surfaces of the annular check rings are lower than the outer surfaces of the friction blocks.

Preferably, the mounting groove is a dovetail groove.

Preferably, the screw is a countersunk head screw.

Preferably, the friction blocks on the first and second surfaces of the circular ring-shaped sheet body are symmetrically arranged with respect to the circular ring-shaped sheet body.

Preferably, the number of the friction blocks on the first surface and the second surface of the circular ring-shaped sheet body is 36.

The utility model has the beneficial effects that:

according to the clutch friction plate, the friction blocks are uniformly arranged on the two sides of the annular metal base plate at intervals, the lubricating oil flow channel is formed between every two adjacent friction blocks, and the lubricating oil flow channel is a through groove with two unclosed ends, so that lubricating oil from the lubricating oil channel on the transmission shaft can flow in and out of the friction blocks more smoothly in the rotating process of the clutch, and the friction blocks of the friction plate can be lubricated and radiated more uniformly; because the width of the lubricating oil runner is greater than the smaller one end of the width of the friction block and is less than the larger one end of the width of the friction block, the friction effect of the clutch is ensured, more lubricating oil enters the lubricating oil runner to lubricate and cool the friction block, the lubricating effect and the cooling speed of the friction plate are further improved, and the service life of the friction plate is prolonged.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a perspective view of a clutch plate according to an embodiment of the present disclosure;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic front view of a clutch plate according to another embodiment of the present disclosure;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is a cross-sectional view C-C of FIG. 4;

fig. 6 is a cross-sectional view taken along line D-D in fig. 4.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 6, the present invention provides a clutch friction plate comprising an annular metal base plate 1 and two friction material layers 2;

the annular metal substrate 1 comprises an annular sheet body 11 and transmission teeth 12 formed on the inner circle of the annular sheet body 11, wherein the annular sheet body 11 is provided with a first surface and a second surface opposite to the first surface;

the two friction material layers 2 are respectively arranged on the first surface and the second surface of the annular sheet body 11, each friction material layer 2 comprises a plurality of friction blocks 21 which are uniformly arranged at intervals in an annular shape, and a lubricating oil flow channel 22 is formed between every two adjacent friction blocks 21; the lubricating oil flow passage 22 is a through groove with two unclosed ends, the widths of the lubricating oil flow passage 22 are equal, the width of the friction block 21 gradually increases along the direction from the inner edge to the outer edge of the circular ring-shaped sheet body 11, and the width d1 of the lubricating oil flow passage 22 is greater than the smaller width end d2 of the friction block 21 and smaller than the larger width end d3 of the friction block 21.

Specifically, in one embodiment, the width d1 of the lubricant oil flow passage 22 is 3.5mm, the end d2 of the friction block 21 with the smaller width is 3mm, and the end d3 of the friction block 21 with the larger width is 5 mm.

The working principle of the clutch friction plate of the utility model is as follows:

the friction blocks 21 are uniformly arranged on the two sides of the annular metal base plate 1 at intervals, the lubricating oil flow channel 22 is formed between every two adjacent friction blocks 21, and the lubricating oil flow channel 22 is a through groove with two unclosed ends, so that lubricating oil from the lubricating oil channel on the transmission shaft can flow in and out the friction blocks more smoothly in the rotating process of the clutch, and the friction blocks 21 of the friction plates can be lubricated and radiated more uniformly; because the width of lubricating oil runner 22 is greater than the less one end of width of clutch friction piece 21 and is less than the great one end of width of clutch friction piece 21, when guaranteeing clutch friction effect for more lubricating oil gets into lubricating oil runner 22 and lubricates and cools down clutch friction piece 21, further improves the lubricated effect and the cooling speed of friction disc, thereby prolongs the life of friction disc.

Specifically, in the present embodiment, as shown in fig. 1 to 4, the lubricant oil flow passage 22 is parallel to the radial direction of the annular metal substrate 1, and the friction block 21 has a fan-shaped structure. Of course, in other embodiments, the lubricant flow passage 22 may be provided as a straight groove or a circular arc groove intersecting with the radial direction of the annular metal base plate 1.

In one embodiment, as shown in fig. 2, the friction material layer 2 further includes a plurality of connecting blocks 23 for connecting any two adjacent friction blocks 21, the connecting blocks 23 are integrally formed with the friction blocks 21, the thickness of the connecting blocks 23 is smaller than that of the friction blocks 21, and a side surface of the connecting block 23 away from the annular plate body 11 and an opposite side surface of the two adjacent friction blocks 21 jointly enclose the lubricant flow channel 22. The two adjacent friction blocks 21 are connected into a whole through the plurality of connecting blocks 23, the outer surface of each connecting block 23 and the opposite side surfaces of the adjacent friction blocks 21 jointly form a lubricating oil flow channel 22, the overall strength of a friction layer is effectively improved, the contact area between lubricating oil and the friction material layer 2 can be increased, and therefore the heat dissipation of the friction blocks 21 of the friction material layer 2 is faster and more uniform.

In one embodiment, as shown in fig. 2, a surface of the connecting block 23 close to the annular plate 11 is flush with a surface of the friction block 21 close to the annular plate 11, and the friction material layers 2 on both sides of the annular plate 11 are respectively adhered to the first surface and the second surface of the annular plate 11. Through bonding, the production of the friction disc of being convenient for on the one hand improves production efficiency, and on the other hand increases the bonding area of friction material layer 2 and ring shape lamellar body 11, improves the combination firmness of friction material layer 2 and ring shape lamellar body 11.

As shown in fig. 3-6, in one embodiment, the first surface and the second surface of the circular ring-shaped sheet body 11 are provided with a plurality of mounting grooves 111, each mounting groove 111 extends radially outward from the inner circle end of the circular ring-shaped sheet body 11 and does not penetrate through the outer circle end of the circular ring-shaped sheet body 11, the friction block 21 is provided with a protrusion 211 matching with the mounting groove 111 along the length direction, and the friction block 21 and the circular ring-shaped sheet body 11 are detachably connected through the mounting grooves 111 and the protrusion 211; the clutch friction plate further comprises two annular check rings 3, the two annular check rings 3 are installed on the annular plate body 11 through screws 4 respectively, the outer circle end faces of the annular check rings 3 are abutted to the inner circle end faces of the friction blocks 21, and the outer surfaces of the annular check rings 3 are lower than the outer surfaces of the friction blocks 21.

Since the friction plate may damage only one or a few friction blocks 21 during use, in the present embodiment, the damaged single friction block 21 can be replaced by arranging the friction block 21 and the circular ring plate 11 to be detachably connected with each other through the mounting groove 111 and the protrusion 211. During replacement, only the screws 4 need to be disassembled to separate the annular retainer ring 3 from the annular sheet body 11, then the friction blocks 21 are pushed radially from outside to inside, so that the convex blocks 211 of the friction blocks 21 can be separated from the mounting groove 111, the friction blocks 21 are disassembled from the annular sheet body 11, then new friction blocks 21 are installed on the annular sheet body 11, the radial far center ends of the friction blocks 21 are abutted against the groove wall at one end of the mounting groove 111, then the annular retainer ring 3 is installed and fixed on the annular sheet body 11 through the screws 4 to block the radial near center ends of the friction blocks 21, and the friction blocks 21 are installed and fixed on the annular metal substrate 1.

As shown in FIG. 5, in one embodiment, the mounting slot 111 is a dovetail slot. For T type groove, the dovetail can effectively fall to the 111 degree of depth of mounting groove on guaranteeing that clutch blocks 21 and ring shape lamellar body 11 can dismantle and install firm basis to reduce annular metal substrate 1's thickness to a certain extent, and the dovetail processing is simpler.

As shown in fig. 6, in one embodiment, the screw 4 is a countersunk screw 4. The head of the screw 4 is prevented from protruding out of the outer surface of the annular retainer ring 3 and being higher than the friction surface of the friction block 21 to cause interference.

As shown in fig. 1 and 2, in one embodiment, the friction blocks 21 on the first and second surfaces of the circular ring-shaped sheet body 11 are symmetrically disposed about the circular ring-shaped sheet body 11. The friction plate is convenient to produce and process. In other embodiments, in order to further improve the heat dissipation effect, and/or in order to reduce the thickness of the annular metal substrate 1 while ensuring the depth of the mounting groove 111, the friction blocks 21 of the first surface and the second surface may be staggered, that is, the position of the friction block 21 on the first surface is opposite to the position of the second surface where the lubricating oil flow passage 22 is arranged.

As shown in fig. 1 and 3, in one embodiment, the number of the friction blocks 21 on the first surface and the second surface of the circular ring-shaped sheet body 11 is 36.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A clutch plate, comprising:

2. A clutch plate as described in claim 1 wherein said lubricant flow passages are parallel to the radial direction of said annular metal base plate and said friction blocks are of a sector configuration.

3. The clutch friction plate of claim 2, wherein the friction material layer further includes a plurality of connecting blocks for connecting any two adjacent friction blocks, the connecting blocks are integrally formed with the friction blocks, the thickness of the connecting blocks is smaller than that of the friction blocks, and a side surface of the connecting blocks away from the circular ring-shaped plate and an opposite side surface of the two adjacent friction blocks jointly enclose the lubricant flow channel.

4. The clutch plate of claim 3, wherein a surface of said connecting block adjacent said annular plate is flush with a surface of said friction block adjacent said annular plate, and wherein said friction material layers on opposite sides of said annular plate are bonded to said first and second surfaces of said annular plate, respectively.

5. The clutch friction plate according to claim 2, wherein the first surface and the second surface of the annular plate body are each provided with a plurality of mounting grooves, each mounting groove extends radially outward from the inner circular end of the annular plate body and does not penetrate through the outer circular end of the annular plate body, the friction block is provided with a projection matched with the mounting groove along the length direction, and the friction block and the annular plate body are detachably connected through the mounting grooves and the projections;

6. A clutch plate according to claim 5 wherein said mounting grooves are dovetail grooves.

7. The clutch friction plate of claim 5, wherein said screws are countersunk screws.

8. A clutch plate according to any one of claims 1 to 7, characterized in that the friction blocks on the first and second surfaces of the circular ring shaped plate are symmetrically disposed about the circular ring shaped plate.

9. The clutch plate of claim 8, wherein the number of friction pads on the first and second surfaces of the annular plate is 36.